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| 1 | Global and Regional Surface Nitrogen Balances in Intensive Agricultural Production Systems for the Period 1970-2030显示文摘Global nitrogen (N) budgets for intensive agricultural systems were compiled for a 0.5 by 0.5 degree resolution. These budgets include N inputs (N fertilizer, animal manure, biological N fixation and atmospheric N deposition) and outputs (N removal from the field in harvested crops and grass and grass consumption by grazing animals, ammonia volatilization,denitrification and leaching). Data for the historical years 1970 and 1995 and a projection for 2030 were used to study changes in the recovery of N and the different loss terms for intensive agricultural systems. The results indicate that the overall system N recovery and fertilizer use efficiency slowly increased in the industrialized countries between 1970 and 1995, the values for developing countries have decreased in the same period. For the coming three decades our results indicate a rapid increase in both the industrialized and developing countries. High values of > 80% for fertilizer use efficiency may be related to surface N balance deficits, implying a depletion of soil N and loss of soil fertility. The projected intensification in most developing countries will cause a gradual shift from deficits to surpluses in the coming decades.The projected fast growth of crop and livestock production, and intensification and associated increase in fertilizer inputs will cause a major increase in the surface N balance surplus in the coming three decades. This implies increasing losses of N compounds to air (ammonia, nitrous oxide and nitric oxide), and groundwater and surface water (nitrate). | A. F. BOUWMAN G.Van DRECHT K. W. Van der HOEK | 2005 | Pedosphere2005，15，2： | 17 |
| 2 | Surface N balances and reactive N loss to the environment from global intensive agricultural production systems for the period 1970-2030显示文摘 | A.F.Bouwman G.Van Drecht K.W.van der Hoek | 2005 | Science China(Life Sciences)2005，48，z2： | 6 |
| 3 | The HYDE 3.1 spatially explicit database of human‐induced global land‐use change over the past 12,000 years显示文摘 | ArthurBeusen GerardVan Drecht MartineDe Vos | 2010 | Global Ecology and Biogeography2010，，1： | 2 |
| 4 | Exploring chan- ges in river nitrogen export to the world's oeeans显示文摘 | Bouwman A F Van Drecht G Knoop J M | 2005 | Global Bio- geochem Cycle2005，19，： | 1 |
| 5 | Global modeling of the fate of nitrogen from point and nonpoint sources in soils, groundwater, and surface water显示文摘 | Van Drecht G Bouwman A F Knoop J M | 2003 | Global Biogeochemical Cycles2003，17，4： | 1 |
| 6 | Contemporary global cropland and grassland distributions on a 5×5 minute resolution显示文摘 | Klein Goldwwijk K Van Drecht G Bouwman A E | 2006 | Journal of Land Use Science2006，2，： | 1 |
| 7 | Nitrate leaching in agriculture to upper groundwater in the sandy regions of the Netherlands during the 1992–1995 period显示文摘 | Leo J. M. Boumans Dico Fraters Gerard Drecht | 2005 | Environmental Monitoring and Assessment2005，，1： | 1 |
| 8 | Nitrate leaching in agriculture to upper groundwater in the sandy regions of the Netherlands during the 1992- 1995 period 显示文摘 | Bomnans L J M Fraters D Van Drecht G | 2005 | EnvironmentalMonitoring and Assessment2005，102，3： | 1 |
| 9 | Aerobic granular sludge in a sequencing batch reactor显示文摘 | MORGENROTH E HERDEN T VAN LOOS- DRECHT M C M | 1997 | Water Research1997，31，12： | 1 |
| 10 | The HYDE 3.1 spatially explicit database of human‐induced global land‐use change over the past 12,000 years显示文摘 | ArthurBeusen GerardVan Drecht MartineDe Vos | 2010 | Global Ecology and Biogeography2010，，1： | 1 |
| 11 | Mapping nitrate leaching to up- per groundwater in the sandy regions of The Netherlands, using conceptual knowledge显示文摘 | Boumans L Fraters D Drecht G | 2008 | Environmental Monitoring and Assess- ment2008，137，13： | 1 |
| 12 | Nitrogen monitoring in groundwater in the sandy regions of The Netherlands显示文摘 | Fraters D Boumans L J M Van Drecht G | 1998 | Environmental Pollution1998，102，： | 1 |
| 13 | Global pollution of surface waters from point and sources of Nitrogen显示文摘 | van Drecht G Bouwmann A F Knoop J M | 2001 | Sci World2001，1，2： | 1 |
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